The Meaning of Hahamongna

The original settlers of the region were sometimes called the Hahamongna Indians. The word means "Flowing Waters, Fruitful Valley" in the native Tongva language.

Hahamongna News


How Should Officials Remove the Devil's Gate Dam Sediment?


The deadline for public comment has been extended on a plan for how to best handle potential environ




Dan Abendschein


Montrose-LaCrescenta Patch


The Los Angeles County Department of Public Works has extended its public comment period for its sediment management plan, which details what methods the department will use for cleaning out storm sediment that builds up in debris basins across the county.

The full plan can be viewed on the department website - a summary of the alternatives the county is considering for specific dams in the county can be viewed on right.

The commenting period has been extended until August 28.

Anyone interested in submitting an official comment for the record can email them to or mail them to: Los Angeles County Public Works Department, Attn: Marcela Benavides - Sediment Management Strategic Plan, P.O. Box 1460, Alhambra, CA 91802-1460.

Local environmental advocates, including some from Montrose-La Crescenta, have sparred with the county over how to handle cleaning out the Devil's Gate Dam in the Hahamongna Watershed Park without destroying acres of trees.

There were also protests over how the removal of trees on a county site in Arcadia.

In response to these protests, the county set up a volunteer commission to get inputs on its future sediment management policies.

The county is currently working on the environmental impact report for large-scale removal of debris at the Devil's Gate Dam.